<?php

namespace app\admin\controller\facrm\product;

use app\admin\library\Auth;
use app\common\controller\Backend;
use app\admin\model\facrm\product\Type;
use app\admin\model\facrm\product\Unit;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Reader\Csv;
use PhpOffice\PhpSpreadsheet\Reader\Xls;
use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use think\exception\PDOException;

/**
 * 商品信息
 * @icon fa fa-circle-o
 */
class Product extends Backend {

    /**
     * Product模型对象
     * @var \app\admin\model\facrm\product\Product
     */
    protected $model = null;
    protected $distinguish = true;
    protected $searchFields = 'id,name,specification,sku,prop';
    protected $noNeedRight=['dtpl'];
    public function _initialize() {
        parent::_initialize();
        $this->model = new \app\admin\model\facrm\product\Product;
        $this->request->filter(['strip_tags']);
    }

    /**
     * 获取商品类型列表
     */
    public function get_type_list() {
        $result = array("rows" => [], "total" => 0);
        if ($this->request->isAjax()) {
            if ($this->request->request("keyValue")) {
                $id = $this->request->request("keyValue");
                $type = new Type();
                $list = $type
                        ->field("id,name")
                        ->where("id", $id)
                        ->select();
                return ['total' => 1, 'list' => $list];
            }
            $type = new Type();
            $list = $type
                    ->field("id,name")
                    ->select();
            $count = $type
                    ->field("id,name")
                    ->count();
            $result = array("rows" => $list, "total" => $count);
            return json($result);
        }
        return json($result);
    }

    /**
     * 获取当前商品选择类型的属性
     */
    public function get_type_prop() {
        $type_id = $this->request->param('type_id');
        if ($this->request->isAjax()) {
            $type = new Type();
            $list = $type
                    ->field("prop")
                    ->where('id', $type_id)
                    ->find();
            return $list['prop'];
        }
    }

    /**
     * 获取单位列表
     */
    public function get_unit_list() {
        $result = array("rows" => [], "total" => 0);
        if ($this->request->isAjax()) {
            if ($this->request->request("keyValue")) {
                $id = $this->request->request("keyValue");
                $unit = new Unit();
                $list = $unit
                        ->field("id,name")
                        ->where("id", $id)
                        ->select();
                return ['total' => 1, 'list' => $list];
            }
            $unit = new Unit();
            $list = $unit
                    ->field("id,name")
                    ->select();
            $count = $unit
                    ->field("id,name")
                    ->count();
            $result = array("rows" => $list, "total" => $count);
            return json($result);
        }
        return json($result);
    }

    /**
     * 导入
     */
    public function import(){

        $file = $this->request->request('file');
        if (!$file) {
            $this->error(__('Parameter %s can not be empty', 'file'));
        }
        $filePath = ROOT_PATH . DS . 'public' . DS . $file;
        if (!is_file($filePath)) {
            $this->error(__('No results were found'));
        }
        //实例化reader
        $ext = pathinfo($filePath, PATHINFO_EXTENSION);
        if (!in_array($ext, ['csv', 'xls', 'xlsx'])) {
            $this->error(__('Unknown data format'));
        }
        if ($ext === 'csv') {
            $file = fopen($filePath, 'r');
            $filePath = tempnam(sys_get_temp_dir(), 'import_csv');
            $fp = fopen($filePath, "w");
            $n = 0;
            while ($line = fgets($file)) {
                $line = rtrim($line, "\n\r\0");
                $encoding = mb_detect_encoding($line, ['utf-8', 'gbk', 'latin1', 'big5']);
                if ($encoding != 'utf-8') {
                    $line = mb_convert_encoding($line, 'utf-8', $encoding);
                }
                if ($n == 0 || preg_match('/^".*"$/', $line)) {
                    fwrite($fp, $line . "\n");
                } else {
                    fwrite($fp, '"' . str_replace(['"', ','], ['""', '","'], $line) . "\"\n");
                }
                $n++;
            }
            fclose($file) || fclose($fp);

            $reader = new Csv();
        } elseif ($ext === 'xls') {
            $reader = new Xls();
        } else {
            $reader = new Xlsx();
        }

        //导入文件首行类型,默认是注释,如果需要使用字段名称请使用name
        $importHeadType = isset($this->importHeadType) ? $this->importHeadType : 'comment';

        $table = $this->model->getQuery()->getTable();
        $database = \think\Config::get('database.database');
        $fieldArr = [];
        $list = db()->query("SELECT COLUMN_NAME,COLUMN_COMMENT FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = ? AND TABLE_SCHEMA = ?", [$table, $database]);
        foreach ($list as $k => $v) {
            if ($importHeadType == 'comment') {
                $fieldArr[$v['COLUMN_COMMENT']] = $v['COLUMN_NAME'];
            } else {
                $fieldArr[$v['COLUMN_NAME']] = $v['COLUMN_NAME'];
            }
        }

        //加载文件
        $insert = [];
        try {
            if (!$PHPExcel = $reader->load($filePath)) {
                $this->error(__('Unknown data format'));
            }
            $currentSheet = $PHPExcel->getSheet(0);  //读取文件中的第一个工作表
            $allColumn = $currentSheet->getHighestDataColumn(); //取得最大的列号
            $allRow = $currentSheet->getHighestRow(); //取得一共有多少行
            $maxColumnNumber = Coordinate::columnIndexFromString($allColumn);
            $fields = [];
            for ($currentRow = 1; $currentRow <= 1; $currentRow++) {
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $fields[] = $val;
                }
            }

            for ($currentRow = 2; $currentRow <= $allRow; $currentRow++) {
                $values = [];
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $values[] = is_null($val) ? '' : $val;
                }
                $row = [];
                $temp = array_combine($fields, $values);
                foreach ($temp as $k => $v) {
                    if (isset($fieldArr[$k]) && $k !== '') {

                        //处理分类、状态，单位等情况
                        if ($fieldArr[$k]=='product_type_id'&&!is_numeric($v)){
                            //如果不是数字，就要处理分类
                            $v=\app\admin\model\facrm\product\Type::getIdByName($v,true);
                        }
                        if ($fieldArr[$k]=='status'&&!is_numeric($v)){
                            $v=$v=='正常'?1:0;//状态处理
                        }
                        if ($fieldArr[$k]=='unit'){
                            $row['product_unit_id']=\app\admin\model\facrm\product\Unit::getIdByName($v,true);
                        }
                        $row[$fieldArr[$k]] = $v;
                    }


                }
                if ($row) {
                    $insert[] = $row;
                }
            }
        } catch (\Exception $exception) {
            $this->error($exception->getMessage());
        }
        if (!$insert) {
            $this->error(__('No rows were updated'));
        }


        try {
            //是否包含admin_id字段
            $has_admin_id = false;
            foreach ($fieldArr as $name => $key) {
                if ($key == 'admin_id') {
                    $has_admin_id = true;
                    break;
                }
            }
            if ($has_admin_id) {
                $auth = Auth::instance();
                foreach ($insert as &$val) {
                    if (!isset($val['admin_id']) || empty($val['admin_id'])) {
                        $val['admin_id'] = $auth->isLogin() ? $auth->id : 0;
                    }
                }
            }
            $this->model->saveAll($insert);
        } catch (PDOException $exception) {
            $msg = $exception->getMessage();
            if (preg_match("/.+Integrity constraint violation: 1062 Duplicate entry '(.+)' for key '(.+)'/is", $msg, $matches)) {
                $msg = "导入失败，包含【{$matches[1]}】的记录已存在";
            };
            $this->error($msg);
        } catch (\Exception $e) {
            $this->error($e->getMessage());
        }

        $this->success();
    }

    /**
     * 下载导入模板
     */
    public function dtpl(){
        $fn="product.xls";
        $filename=ADDON_PATH.'facrm'.DS.'data'.DS.$fn;

        // 以只读和二进制模式打开文件
        $file = fopen($filename, "rb");
        // 告诉浏览器这是一个文件流格式的文件
        Header("Content-type: application/octet-stream");
        // 请求范围的度量单位
        Header("Accept-Ranges: bytes");
        // Content-Length是指定包含于请求或响应中数据的字节长度
        Header("Accept-Length: " . filesize($filename));
        // 用来告诉浏览器，文件是可以当做附件被下载，下载后的文件名称为$file_name该变量的值。
        Header("Content-Disposition: attachment; filename={$fn}" );

        // 读取文件内容并直接输出到浏览器
        echo fread($file, filesize($filename));
        fclose($file);

        exit ();
    }

}
